Question

Using proper formulas, how do you go about with this question... really confused
1.) A sprinter accelerates from rest to 10.0m/s in 1.35s. What is her acceleration (a) in m/s^2 and (b) in km/h^2?

2.) A sports car is advertised to be able to stop in a distance of 50m from a speed of 90 km/h. What is its acceleration in m/s^2? How many g's is this (g=9.80 m/s^2)

Dec 12, 2015

bobpursley

a=changeveloicyt/time=10/1.35 m/s^2

Dec 13, 2015

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